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12345ruby629(½ð±Ò+20): 2011-05-07 13:04:37
Systematic  study was taken  on the polymer aggregation structure, mechanical properties, heat resistance, water absorption, light transmission and other properties with the introduction of BIA, DABA and ODA.
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12345ruby629(½ð±Ò+10, ·­ÒëEPI+1): 2011-05-07 13:04:13
To further control the structure and properties of polyimide in the main chain that contained the structure of benzene and oxazole
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12345ruby629(½ð±Ò+10): 2011-05-07 13:04:20
and  in order to prepare high-performance polyimide copolymer film material to meet  the different needs.
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12345ruby629(½ð±Ò+20): 2011-05-07 13:04:29
In the paper PDA, BOA, BIA, DABA, and DA were used as materials to prepare  three types   of the copolymer with different relative content of BOA,  four corresponding homopolymer were prepared for comparison
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